Question

life Process
1. Why does not the lungs collapse after forceful expiration?
2. A particular tissue blocked and the leaves start to wilt. Identify the tissue that got blocked.
3. In which direction lymph travels?
4. How does a plant cope up with lack of water in desert conditions?
5. What do you understand by pulse?
6. Is the food vacuole in Amoeba temporary structure or permanent structure?
7. Differentiate between Diastole and Systole.
8. How does water enter into root cells from the soil?
9. What are the characteristics of respiratory surface?
10. Name the respiratory pigment of blood. In which component is it present?
11. Draw a diagram of the human respiratory system and label on it Alveolar sac, Bronchioles, Larynx and
Trachea.
12. (a) with the help of schematic flow chart show break down of glucose by various path ways during
respiration.
(b) State the functions of arteries and veins in circulatory system.​

Answer 1

Answer:

• The lungs does not collapse after forceful expiration because it is not empty no matter how forcefully the air is exhaled. Explanation: ... It is the minimal amount of air which is left over in the lungs, it also provides oxygen to the cells and prevents from deflating and collapsing